SPECIFICATIONS Brand Name: IKAPE Certification: FCM Choice: yes High-concerned chemical: none Material: Stainless Steel IKAPE Beehive Stainless Steel Espresso Filter Basket-Precision High Extraction for 51/54/58MM Bottomless Portafilter Coffee Maker Fitted for 51/54/58MM Portafilter Designed specifically for 51/54/58MM bottomless portafilter coffee makers, this filter basket offers a perfect fit for optimal use. Stainless Steel Material Durable and hygienic, the stainless steel construction ensures your filter basket remains corrosion-free for consistent performance. Precision High Extraction Craft your perfect espresso with precision, thanks to the IKAPE Beehive Stainless Steel Espresso Filter Basket's high extraction rate.